
/**
 * Copyright(c) 2017-2-21 Shangwen Wu	
 *
 * errno相关头文件
 * 
 */

#ifndef __SYS_ERRNO_H__
#define __SYS_ERRNO_H__

extern int errno;				/* global error number, defined in sys_errno.c */

#define	SUCCESS			0		/* Success */
#define	EPERM			1		/* Operation not permitted */
#define	ENOENT			2		/* No such file or directory */
#define	ESRCH			3		/* No such process */
#define	EINTR			4		/* Interrupted system call */
#define	EIO				5		/* Input/output error */
#define	ENXIO			6		/* Device not configured */
#define	E2BIG			7		/* Argument list too long */
#define	ENOEXEC			8		/* Exec format error */
#define	EBADF			9		/* Bad file descriptor */
#define	ECHILD			10		/* No child processes */
#define	EDEADLK			11		/* Resource deadlock avoided */
#define	ENOMEM			12		/* Cannot allocate memory */
#define	EACCES			13		/* Permission denied */
#define	EFAULT			14		/* Bad address */
#define	ENOTBLK			15		/* Block device required */
#define	EBUSY			16		/* Device busy */
#define	EEXIST			17		/* File exists */
#define	EXDEV			18		/* Cross-device link */
#define	ENODEV			19		/* Operation not supported by device */
#define	ENOTDIR			20		/* Not a directory */
#define	EISDIR			21		/* Is a directory */
#define	EINVAL			22		/* Invalid argument */
#define	ENFILE			23		/* Too many open files in system */
#define	EMFILE			24		/* Too many open files */
#define	ENOTTY			25		/* Inappropriate ioctl for device */
#define	ETXTBSY			26		/* Text file busy */
#define	EFBIG			27		/* File too large */
#define	ENOSPC			28		/* No space left on device */
#define	ESPIPE			29		/* Illegal seek */
#define	EROFS			30		/* Read-only file system */
#define	EMLINK			31		/* Too many links */
#define	EPIPE			32		/* Broken pipe */

/* math software */
#define	EDOM			33		/* Numerical argument out of domain */
#define	ERANGE			34		/* Result too large */

/* non-blocking and interrupt i/o */
#define	EAGAIN			35		/* Resource temporarily unavailable */
#define	EWOULDBLOCK		EAGAIN	/* Operation would block */
#define	EINPROGRESS		36		/* Operation now in progress */
#define	EALREADY		37		/* Operation already in progress */

/* ipc/network software -- argument errors */
#define	ENOTSOCK		38		/* Socket operation on non-socket */
#define	EDESTADDRREQ	39		/* Destination address required */
#define	EMSGSIZE		40		/* Message too long */
#define	EPROTOTYPE		41		/* Protocol wrong type for socket */
#define	ENOPROTOOPT		42		/* Protocol not available */
#define	EPROTONOSUPPORT	43		/* Protocol not supported */
#define	ESOCKTNOSUPPORT	44		/* Socket type not supported */
#define	EOPNOTSUPP		45		/* Operation not supported */
#define	EPFNOSUPPORT	46		/* Protocol family not supported */
#define	EAFNOSUPPORT	47		/* Address family not supported by protocol family */
#define	EADDRINUSE		48		/* Address already in use */
#define	EADDRNOTAVAIL	49		/* Can't assign requested address */

/* ipc/network software -- operational errors */
#define	ENETDOWN		50		/* Network is down */
#define	ENETUNREACH		51		/* Network is unreachable */
#define	ENETRESET		52		/* Network dropped connection on reset */
#define	ECONNABORTED	53		/* Software caused connection abort */
#define	ECONNRESET		54		/* Connection reset by peer */
#define	ENOBUFS			55		/* No buffer space available */
#define	EISCONN			56		/* Socket is already connected */
#define	ENOTCONN		57		/* Socket is not connected */
#define	ESHUTDOWN		58		/* Can't send after socket shutdown */
#define	ETOOMANYREFS	59		/* Too many references: can't splice */
#define	ETIMEDOUT		60		/* Operation timed out */
#define	ECONNREFUSED	61		/* Connection refused */

#define	ELOOP			62		/* Too many levels of symbolic links */
#define	ENAMETOOLONG	63		/* File name too long */

/* should be rearranged */
#define	EHOSTDOWN		64		/* Host is down */
#define	EHOSTUNREACH	65		/* No route to host */
#define	ENOTEMPTY		66		/* Directory not empty */

/* quotas & mush */
#define	EPROCLIM		67		/* Too many processes */
#define	EUSERS			68		/* Too many users */
#define	EDQUOT			69		/* Disc quota exceeded */

/* Network File System */
#define	ESTALE			70		/* Stale NFS file handle */
#define	EREMOTE			71		/* Too many levels of remote in path */
#define	EBADRPC			72		/* RPC struct is bad */
#define	ERPCMISMATCH	73		/* RPC version wrong */
#define	EPROGUNAVAIL	74		/* RPC prog. not avail */
#define	EPROGMISMATCH	75		/* Program version wrong */
#define	EPROCUNAVAIL	76		/* Bad procedure for program */

#define	ENOLCK			77		/* No locks available */
#define	ENOSYS			78		/* Function not implemented */

#define	EFTYPE			79		/* Inappropriate file type or format */
#define	EAUTH			80		/* Authentication error */
#define	ENEEDAUTH		81		/* Need authenticator */
#define	EIPSEC			82		/* IPsec processing failure */
#define	ELAST			82		/* Must be equal largest errno */

/* pseudo-errors returned inside kernel to modify return to process */
#define	ERESTART		83		/* restart syscall */
#define	EJUSTRETURN		84		/* don't modify regs, just return */

#endif //__SYS_ERRNO_H__
